| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.jena.tdb2.sys; |
| |
| import java.util.Properties; |
| import java.util.Set; |
| |
| import org.apache.jena.sparql.util.Context; |
| import org.apache.jena.sparql.util.Symbol; |
| import org.apache.jena.tdb2.TDB2; |
| |
| public class EnvTDB |
| { |
| public static void processGlobalSystemProperties() |
| { |
| Context context = processProperties(System.getProperties()); |
| TDB2.getContext().putAll(context); |
| } |
| |
| static final String prefix = SystemTDB.tdbSymbolPrefix+":"; |
| public static Context processProperties(Properties properties) |
| { |
| Context context = new Context(); |
| Set<Object> keys = properties.keySet(); |
| for ( Object key : keys ) |
| { |
| if ( key instanceof String ) |
| { |
| String keyStr = (String)key; |
| if ( keyStr.startsWith(prefix) ) |
| keyStr = SystemTDB.symbolNamespace+keyStr.substring(prefix.length()); |
| if ( ! keyStr.startsWith(SystemTDB.symbolNamespace) ) |
| continue; |
| Object value = properties.get(key); |
| Symbol symbol = Symbol.create(keyStr); |
| context.set(symbol, value); |
| } |
| } |
| return context; |
| } |
| } |